diff --git a/release/scripts/mm-mtree.sh b/release/scripts/mm-mtree.sh
index 4499c107634..620ab6dd962 100755
--- a/release/scripts/mm-mtree.sh
+++ b/release/scripts/mm-mtree.sh
@@ -147,7 +147,7 @@ find -d ${TEMPROOT} -type d -empty -delete 2>/dev/null
 
 # Build the mtree database in a temporary location.
 MTREENEW=`mktemp -t mergemaster.mtree`
-mtree -ci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
+mtree -nci -p ${TEMPROOT} -k size,md5digest > ${MTREENEW} 2>/dev/null
 
 if [ -s "${MTREENEW}" ]; then
   echo "*** Saving mtree database for future upgrades"